Check valve
Underground Storage Tank Equipment
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2 Inch O-Ring Seal Pressure Vacuum Vent
Item No. 80230302
Vent rates of 8000 cubic feet per hour and vent at 13.8 in WC of pressure and 0.8 in WC of vacuum.
2 Inch Open Vent Upward Aluminum
Item No. 23-0033
Installed on the top of vent pipes from underground or aboveground fuel storage tanks always open to the atmosphere to allow any pressure or vacuum in the tank to vent
3 Inch Open Vent Upward Aluminum
Item No. 23-0055
Installed on the top of vent pipes from underground or aboveground fuel storage tanks always open to the atmosphere to allow any pressure or vacuum in the tank to vent
3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-3203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
3 Inch Swing Check Valve - Threaded Brass
Item No. 246A-0400AV
Designed to prevent backflow in horizontal piping systems. Swing check valve allow liquid to flow in a single direction
2 Inch Thread-On EVR Pressure Vacuum Vent With Internal Screen 3 Inch WCP/8 Inch WCV
Item No. 5885
Incorporates 3 separate valves to control over-pressure and vacuum conditions that arise in storage tanks.
2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-2203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum
Item No. 523V-1150
Factory preset and tested settings
2 Inch Pressure Vacuum Vent Thread On 3 Inch Water Column Pressure 8 Inch Water Column Vacuum
Item No. 523V-2203
Factory preset and tested settings
2 Inch Thread-On CARB EVR Certified Pressure Vacuum Vent With 3 Inch Water Column Pressure/8 Inch Water Column Vacuum
Item No. 723V-2203
Factory preset and tested settings
2 Inch Pressure Vacuum Vent Slip On 3 Inch Water Column Pressure 8 Inch Water Column Vacuum
Item No. 523V-2253
Factory preset and tested settings
3 Inch Updraft Vent Cap
Item No. 354-0300AV
Open vent design used on under ground and above ground tanks
2 Inch Pressure Vacuum Vent Thread On 8 Ounce Pressure 1/2 Ounce Vacuum
Item No. 523V-1100
Factory preset and tested settings
2 Inch Thread-On Pressure/Vacuum Vent 3 Inch Wcp-8 Inch Wcv
Item No. 4885
Incorporates 3 separate valves to control over-pressure and vacuum conditions that arise in storage tanks.
